Filament spool holder with built in bearing (Balls required; made for Ender 3 Pro)
Description
This is a perfect tune for your 3d printer if you have some steel balls laying around. The print fits perfectly in the stock Ender-3 (Pro) filament (metal) holder part, but can be also used on different printers if they have a 30mm hole (diameter). The spool holder can handle up to 75mm wide spools. Please check the **Assembly** section for required materials and printing tips
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